package com.jt.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.jt.mapper.ItemDescMapper;
import com.jt.mapper.ItemMapper;
import com.jt.pojo.Item;
import com.jt.pojo.ItemDesc;
import com.jt.vo.ItemVO;
import com.jt.vo.PageResult;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestBody;

import java.util.List;

@Service
public class ItemServiceImpl implements ItemService{
@Autowired
    private ItemMapper itemMapper;
@Autowired
private ItemDescMapper itemDescMapper;
    @Override
    public List<Item> findAll() {
         return itemMapper.selectList(null);

    }

    @Override
    public PageResult getItemList(PageResult pageResult) {
        IPage<Item>page=new Page<>(pageResult.getPageNum(),
                                   pageResult.getPageSize());

        QueryWrapper<Item>queryWrapper=new QueryWrapper<>();
        String query= pageResult.getQuery();
        boolean flag= StringUtils.hasLength(pageResult.getQuery());
        queryWrapper.like(flag, "title",pageResult.getQuery());
        page=itemMapper.selectPage(page, queryWrapper);
        long total=page.getTotal();
        List<Item> rows=page.getRecords();
        return pageResult.setTotal(total).setRows(rows);
    }

    @Override
    @Transactional
    public void updateItemStatus(Item item) {

        itemMapper.updateById(item);
    }

    @Override
    public void deleteItemById(Item item) {

        itemMapper.deleteById(item);
    }

    @Override
    @Transactional
    public void saveItem(ItemVO itemVO) {
        Item item = itemVO.getItem();
        item.setStatus(true);
        itemMapper.insert(item);
        ItemDesc itemDesc=itemVO.getItemDesc();
        itemDesc.setId(item.getId());
        itemDescMapper.insert(itemDesc);
    }
}
